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Last seen: Sep 18, 2026
Its not so much challenging as seeking to understand. Your house cools very slowly so provided that the right amount of energy is put in over several...
Have you actually had a Nibe engineer in or just an installer. You probably shouldnt be paying anything if Google is right, it should be a warranty i...
If the house is heating up I wouldn't worry about low deltaT. Lower is more efficient, at least up to the point where the power consumption of the wa...
Understood. Nevertheless this is, with high probability, a very simple and easily pinpointed fault that very likely doesn't require any hitachi speci...
@toodles Firmware updates? - do Daikin do that
There isnt a short compressor, its that the operating time of the compressor is too short. According to google it may be due to low refrigerant level...
Yes this makes sense. Ideally you match flow either side of the buffer, at which point it is pointless (but that is anyway the case). Since a perfec...
Judging by the representatives I have spoken to locally, they represent more or less whatever you want them to represent provided you don't try to dis...
Check on the heat pump controller. It will show whether the heat pump thinks its in DHW or space heating mode. If it thinks its in the desired mode ...
What does the controller show - does it show that its in heating mode or does it show its in dhw mode? It could just be a stuck valve/faulty conectio...
Understood, its your house and your heat pump so take all the time you need. I will respond to queries but otherwise wont post again until I hear fro...
OK noted, although I dont think any of the charts posted show this. This one definitely seems like human intervention not defrost because of when the...
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Latest Posts
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RE: Why are ASHP installs so expensive?
@springswood Your real world quotes leave me complet...
By Rob of York , 36 seconds ago
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 14 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 18 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 18 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 20 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 21 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 3 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 4 days ago
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